Other wealthy clubs charge around a fiver, including Chelsea, Man City, Man United and Newcastle United, though many teams offer free P&P for bigger orders.

A spokesman for the Football Supporters’ Federation called on the big clubs to review their expensive postage. He said: “Consumers are going to be a little annoyed if they think a company is trying to slip charges by them.

“One method to do this might well be to charge higher postage costs than the club incurs.”